Answer:
y= -1 x + -4
Step-by-step explanation:
1. y= mx +b
2. -1 = -1(3) + b
3. -1 = -3+b
4. -4=b
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Substitute the value of x = 2 to the equation:

Matrix A order is 4x8.
Matrix B order is 4x16.
AB cannot result because an (m x n) can only be multiplied by an (n x p) matrix and orders don't match the requirements.
BA has the same negative result.
Answer:
9/49
Step-by-step explanation:
4 purple beads and 3 green beads= 7 beads
P( green) = green = total = 3/7
Replace the bead
4 purple beads and 3 green beads= 7 beads
P( green) = green = total = 3/7
P( green , replace, green) = 3/7 * 3/7 = 9/49